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test_fourigui.py
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import tkinter as tk
import unittest
import h5py
import numpy as np
from diffpy.fourigui.fourigui import Gui
class TestGui(unittest.TestCase):
def setUp(self):
# set up gui
self.test_gui = Gui()
# set up dummy data
self.dummydata = h5py.File("tests/testdata/dummydata.h5")["data"]
def test_init(self):
self.assertFalse(self.test_gui.loaded)
self.assertFalse(self.test_gui.transformed)
self.assertFalse(self.test_gui.cutted)
self.assertFalse(self.test_gui.transcutted)
self.assertFalse(self.test_gui.cutoff.get())
self.assertFalse(self.test_gui.space.get())
def test_load_cube_nothing_loaded(self):
# given
self.test_gui.filename_entry.delete(0, "end")
self.test_gui.filename_entry.insert(0, "tests/testdata/dummydata.h5")
# when
self.test_gui.load_cube()
# then
self.assertTrue(self.test_gui.loaded)
def test_load_cube_something_loaded(self):
# given
self.test_gui.loaded
self.test_gui.filename_entry.delete(0, "end")
self.test_gui.filename_entry.insert(0, "tests/testdata/dummydata.h5")
# when
self.test_gui.load_cube()
# then
self.assertTrue(self.test_gui.loaded)
def test_fft_000(self):
# given
self.test_gui.cube = self.dummydata
self.test_gui.plot_plane = (
lambda *a, **b: ()
) # overwrite plot_plane which requires not initialized attribute im
self.test_gui.transformed = False
self.test_gui.transcutted = False
self.test_gui.cutoff.set(0)
# when
self.test_gui.fft()
# then
self.assertTrue(self.test_gui.transformed and not self.test_gui.transcutted)
def test_fft_010(self):
# given
self.test_gui.cube = self.dummydata
self.test_gui.plot_plane = (
lambda *a, **b: ()
) # overwrite plot_plane which requires not initialized attribute im
self.test_gui.transformed = False
self.test_gui.transcutted = False
self.test_gui.cutoff.set(1)
# when
self.test_gui.fft()
# then
self.assertTrue(not self.test_gui.transformed and self.test_gui.transcutted)
# self.assertTrue(self.test_gui.cutted)
def test_fft_001(self):
# given
self.test_gui.cube = self.dummydata
self.test_gui.cube_reci = self.dummydata
self.test_gui.plot_plane = (
lambda *a, **b: ()
) # overwrite plot_plane which requires not initialized attribute im
self.test_gui.transformed = False
self.test_gui.transcutted = True
self.test_gui.cutoff.set(0)
# when
self.test_gui.fft()
# then
self.assertTrue(self.test_gui.transformed and self.test_gui.transcutted)
def test_fft_011(self):
# given
self.test_gui.cube = self.dummydata
self.test_gui.cube_realcut = self.dummydata
self.test_gui.plot_plane = (
lambda *a, **b: ()
) # overwrite plot_plane which requires not initialized attribute im
self.test_gui.transformed = False
self.test_gui.transcutted = True
self.test_gui.cutoff.set(1)
# when
self.test_gui.fft()
# then
self.assertTrue(not self.test_gui.transformed and self.test_gui.transcutted)
def test_fft_101(self):
# given
self.test_gui.cube = self.dummydata
self.test_gui.cube_real = self.dummydata
self.test_gui.plot_plane = (
lambda *a, **b: ()
) # overwrite plot_plane which requires not initialized attribute im
self.test_gui.transformed = True
self.test_gui.transcutted = True
self.test_gui.cutoff.set(0)
# when
self.test_gui.fft()
# then
self.assertTrue(self.test_gui.transformed and self.test_gui.transcutted)
def test_fft_111(self):
# given
self.test_gui.cube = self.dummydata
self.test_gui.cube_realcut = self.dummydata
self.test_gui.plot_plane = (
lambda *a, **b: ()
) # overwrite plot_plane which requires not initialized attribute im
self.test_gui.transformed = True
self.test_gui.transcutted = True
self.test_gui.cutoff.set(1)
# when
self.test_gui.fft()
# then
self.assertTrue(self.test_gui.transformed and self.test_gui.transcutted)
def test_applycutoff(mocker):
root = tk.Tk()
fg = Gui()
# qmin of 1 and qmax of 2 is expected to leave the central pixel and corner
# pixels as NaN's
mocker.patch.object(fg.qminentry, "get", return_value=1.0)
mocker.patch.object(fg.qmaxentry, "get", return_value=2.0)
mocker.patch.object(fg, "plot_plane") # we don't want it to plot anything so intercept
fg.cutted = False
fg.cube = np.ones((5, 5, 5))
expected_ones = np.ones((5, 5, 5))
expected_recip = np.array(
[
[
[np.nan, np.nan, np.nan, np.nan, np.nan],
[np.nan, np.nan, np.nan, np.nan, np.nan],
[np.nan, np.nan, 1, np.nan, np.nan],
[np.nan, np.nan, np.nan, np.nan, np.nan],
[np.nan, np.nan, np.nan, np.nan, np.nan],
],
[
[np.nan, np.nan, np.nan, np.nan, np.nan],
[np.nan, 1, 1, 1, np.nan],
[np.nan, 1, 1, 1, np.nan],
[np.nan, 1, 1, 1, np.nan],
[np.nan, np.nan, np.nan, np.nan, np.nan],
],
[
[np.nan, np.nan, 1, np.nan, np.nan],
[np.nan, 1, 1, 1, np.nan],
[1, 1, np.nan, 1, 1],
[np.nan, 1, 1, 1, np.nan],
[np.nan, np.nan, 1, np.nan, np.nan],
],
[
[np.nan, np.nan, np.nan, np.nan, np.nan],
[np.nan, 1, 1, 1, np.nan],
[np.nan, 1, 1, 1, np.nan],
[np.nan, 1, 1, 1, np.nan],
[np.nan, np.nan, np.nan, np.nan, np.nan],
],
[
[np.nan, np.nan, np.nan, np.nan, np.nan],
[np.nan, np.nan, np.nan, np.nan, np.nan],
[np.nan, np.nan, 1, np.nan, np.nan],
[np.nan, np.nan, np.nan, np.nan, np.nan],
[np.nan, np.nan, np.nan, np.nan, np.nan],
],
]
)
# test the case where fg.space is 0
fg.applycutoff()
np.testing.assert_array_equal(fg.cube_reci, expected_ones)
np.testing.assert_array_equal(fg.cube_recicut, expected_recip)
root.destroy() # Clean up Tkinter instance
# test the case where fg.space is 1
root = tk.Tk()
fg = Gui()
# qmin of 1 and qmax of 2 is expected to leave the central pixel and corner
# pixels as NaN's
mocker.patch.object(fg.qminentry, "get", return_value=1)
mocker.patch.object(fg.qmaxentry, "get", return_value=2)
mocker.patch.object(
fg, "fft"
) # we don't want it to do the fft so intercept. Should be tested separately (fixme).
fg.cutted = False
fg.cube_reci = np.ones((5, 5, 5))
fg.cube = np.ones((5, 5, 5))
mocker.patch.object(fg.space, "get", return_value=1)
fg.applycutoff()
np.testing.assert_array_equal(fg.cube_real, expected_ones)
np.testing.assert_array_equal(fg.cube_recicut, expected_recip)
root.destroy() # Clean up Tkinter instance
if __name__ == "__main__":
unittest.main()